error[E0507]: cannot move out of a shared reference
  --> $DIR/move-ref-patterns-default-binding-modes.rs:8:22
   |
LL |     let (a, mut b) = &p;
   |             -----    ^^
   |             |
   |             data moved here
   |             move occurs because `b` has type `U`, which does not implement the `Copy` trait

error[E0507]: cannot move out of a mutable reference
  --> $DIR/move-ref-patterns-default-binding-modes.rs:12:22
   |
LL |     let (a, mut b) = &mut p;
   |             -----    ^^^^^^
   |             |
   |             data moved here
   |             move occurs because `b` has type `U`, which does not implement the `Copy` trait

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0507`.